.header{
  display: flex;
  justify-content: flex-end;
}
.header{
  width:100%;
  height:60px;
  background:rgba(255,255,255,1);
  display: flex;
  align-items: center;
  nav{
    a{
      color: #333333;

      font-size:20px;
      font-family:Microsoft YaHei;
      font-weight:400;
      color:rgba(51,51,51,1);
      text-decoration:none;
      margin-right: 27px;
    }
  }
}
